package ca.jsbr.as2js_lib.display.animations.easing {
	
	public class Quart {
		public static const power:uint = 3;
		
		public static function easeIn (t:Number, b:Number, c:Number, d:Number):Number {
			return c * (t /= d) * t * t * t + b;
		}
		public static function easeOut (t:Number, b:Number, c:Number, d:Number):Number {
			return -c * ((t = t / d - 1) * t * t * t - 1) + b;
		}
		public static function easeInOut (t:Number, b:Number, c:Number, d:Number):Number {
			if ((t /= d * 0.5) < 1) 
				return c * 0.5 * t * t * t * t + b;
			return -c * 0.5 * ((t -= 2) * t * t * t - 2) + b;
		}
	}
}